[mpich-discuss] Segmentation Fault when running any application.

Thu Nov 17 12:38:59 CST 2011

Thank you. Unfortunately I still get the same error regarding the closing
of the left context socket.

On Thu, Nov 17, 2011 at 2:28 PM, Jose Marques <jmarques at itn.pt> wrote:

> **
> Michael,
>
> There's a good set of instructions in
> http://www.petri.co.il/disable-uac-in-windows-7.htm
>
> Rds,
>   Jose
>
>
> On 17-11-2011 6:12, Michael Warthon wrote:
>
>
> How do I go about turning that off?
>
>
> On Nov 17, 2011, at 2:05 PM, Jose Marques <jmarques at itn.pt> wrote:
>
>  Michael,
>
> Did you switch off User Account Control in Windows 7 ? I think I had the
> same probs and solved them taking care of UAC.
>
> Jose
>
> On 17-11-2011 5:35, Michael Warthon wrote:
>
> I am still getting the same error even after reinstalling SMPD. The MPICH2
> that I have installed is the 64-bit version. My computer has windows 7, is
> a 64-bit operating system, and has an intel core i5 CPU processor. The
> installer I used mpich2-1.4.1p1-win-x86-64.msi is the correct one right?
>
> On Thu, Nov 17, 2011 at 12:22 PM, Jayesh Krishna <jayesh at mcs.anl.gov>wrote:
>
>> Hi,
>>  The error message does not appear with the "-verbose" option (The launch
>> mechanism with a "-verbose" option is different though).
>>  I think that the issue is still that MPICH2 was not installed correctly
>> in your system (I verified that 1.4.1p1 works correctly - without error
>> msgs - on our Srv2008). Please follow the steps below and let us know if it
>> works for you,
>>
>> # Right-click on the command prompt icon and select "Run as
>> administrator" to open an admin command prompt
>> # From the admin command prompt, uninstall SMPD using the "-uninstall"
>> option (Type "smpd -uninstall")
>> # From the admin command prompt, install SMPD using the "-install" option
>> (Type "smpd -install")
>> # Try running mpiexec from the admin command prompt (Type "mpiexec -n 2
>> hostname")
>> # Try running mpiexec from a normal command prompt (Type "mpiexec -n 2
>> hostname")
>>
>>  Let us know the results.
>>
>> Regards,
>> Jayesh
>>
>> ----- Original Message -----
>> From: "Michael Warthon" <michael.warthon at upr.edu>
>> To: "Jayesh Krishna" <jayesh at mcs.anl.gov>
>> Cc: mpich-discuss at mcs.anl.gov
>>  Sent: Thursday, November 17, 2011 10:10:28 AM
>> Subject: Re: [mpich-discuss] Segmentation Fault when running any
>> application.
>>
>>
>> Alright. Attached is the text file with the complete message from the
>> command: "c:\Program Files\MPICH2\bin\mpiexec" -verbose -n 2 hostname
>>
>> I tried the other command and for some reason I am actually able to run
>> the program even when the errors occur. This is the response I got when
>> running the command:
>>
>> C:\Users\Mike>"c:\Program Files\MPICH2\bin\mpiexec" -n 2 "C:\Program
>> Files\MPICH
>> 2\examples\cpi.exe"
>> error closing the left context socket: Error = -1
>> Enter the number of intervals: (0 quits) 100
>> pi is approximately 3.1416009869231241, Error is 0.0000083333333309
>> wall clock time = 0.000541
>> Enter the number of intervals: (0 quits) 10
>> pi is approximately 3.1424259850010983, Error is 0.0008333314113051
>> wall clock time = 0.000047
>> Enter the number of intervals: (0 quits) 0
>> op_read error on left context: Error = -1
>> unable to read the cmd header on the left context, Error = -1
>> .
>> Error posting readv, An existing connection was forcibly closed by the
>> remote ho
>> st.(10054)
>>
>>
>> On Thu, Nov 17, 2011 at 9:56 AM, Jayesh Krishna < jayesh at mcs.anl.gov >
>> wrote:
>>
>>
>> Hi,
>> Yes, please give us the output of the command with "-verbose" turned on.
>> And for these tests, run mpiexec with the complete path ("c:\Program
>> Files\MPICH2\bin\mpiexec" -verbose -n 2 hostname). Do you get the same
>> error message when executing cpi ("c:\Program Files\MPICH2\bin\mpiexec" -n
>> 2 "C:\Program Files\MPICH2\examples\cpi.exe")?
>>
>>
>> Regards,
>> Jayesh
>>
>> ----- Original Message -----
>> From: "Michael Warthon" < michael.warthon at upr.edu >
>> To: "Jayesh Krishna" < jayesh at mcs.anl.gov >
>> Cc: mpich-discuss at mcs.anl.gov
>>
>>
>>
>> Sent: Thursday, November 17, 2011 9:42:42 AM
>> Subject: Re: [mpich-discuss] Segmentation Fault when running any
>> application.
>>
>>
>> For each command, this is the entire response that I get:
>>
>>
>> C:\Users\Mike>mpiexec -validate
>> SUCCESS
>>
>> C:\Users\Mike>mpiexec -n 2 hostname
>> error closing the left context socket: Error = -1
>>
>> Mike-PC
>> Mike-PC
>> error closing the left context socket: Error = -1
>>
>> C:\Users\Mike>
>>
>>
>> Did you want me to use the verbose option?
>>
>> On Thu, Nov 17, 2011 at 9:21 AM, Jayesh Krishna < jayesh at mcs.anl.gov >
>> wrote:
>>
>>
>> Hi,
>> Please copy-paste the command and the response (the complete message) in
>> your email.
>> Are you able to validate the registered username/password (Type "mpiexec
>> -validate" and it should return "SUCCESS")?
>>
>>
>> Regards,
>> Jayesh
>>
>> ----- Original Message -----
>> From: "Michael Warthon" < michael.warthon at upr.edu >
>> To: "Jayesh Krishna" < jayesh at mcs.anl.gov >
>>
>>
>>
>> Cc: mpich-discuss at mcs.anl.gov
>> Sent: Thursday, November 17, 2011 7:50:25 AM
>> Subject: Re: [mpich-discuss] Segmentation Fault when running any
>> application.
>>
>> Ok. I have checked and yes smpd is running and I have given a sufficient
>> username and password so that mpiexec will run. Now I am getting a new
>> error when executing mpiexec -n 2 hostname where it is giving me this
>> response:
>>
>> error closing the left context socket: Error = -1
>>
>>
>> On Wed, Nov 16, 2011 at 2:21 PM, Jayesh Krishna < jayesh at mcs.anl.gov >
>> wrote:
>>
>>
>> Hi,
>>
>> 1. Make sure that the process manager, smpd, is running in your system
>> (Look in the task manager/Process Explorer to see if there is a service
>> named smpd running. Alternately you can run "smpd -status" to check if smpd
>> is running)
>>
>> 2. Run a simple non-MPI program like hostname from the command prompt
>> using mpiexec (Type "mpiexec -n 2 hostname" ). When prompted for
>> username/password give a valid Windows username/password.
>> If mpiexec gives you an error, type "mpiexec -remove" to remove the
>> existing registered username/password and then type "mpiexec -register" to
>> register a new/valid Windows username/password. Re-run mpiexec.
>>
>> 3. Run the sample MPI program, cpi.exe, provided with MPICH2 (mpiexec -n
>> 2 C:\Progra~1\MPICH2\examples\cpi.exe)
>>
>> >> I am getting an error when I look at the MPICH2 configurable settings
>> ...
>>
>> This is a known bug. Due to limited developer bandwidth we haven't been
>> able to address this issue yet.
>>
>>
>> Regards,
>> Jayesh
>>
>> ----- Original Message -----
>> From: "Michael Warthon" < michael.warthon at upr.edu >
>> To: "Jayesh Krishna" < jayesh at mcs.anl.gov >
>>
>> Sent: Wednesday, November 16, 2011 12:27:01 PM
>> Subject: Re: [mpich-discuss] Segmentation Fault when running any
>> application.
>>
>>
>>
>> Alright. I have reinstalled MPICH2 using the method in section 9.4.
>> However, I am not able to connect to the host it seems. I keep receiving
>> this message when trying to execute a program:
>>
>>
>>
>> Credentials for Mike rejected connecting to Mike-PC
>>
>> Aborting: Unable to connect to Mike-PC
>> Also, I am getting an error when I look at the MPICH2 configurable
>> settings that says that MPICH2 is not installed or that it cannot query the
>> host.
>>
>> On Wed, Nov 16, 2011 at 9:35 AM, Jayesh Krishna < jayesh at mcs.anl.gov >
>> wrote:
>>
>>
>> Hi,
>> Looks like MPICH2 was not installed correctly in your system.
>> Uninstall your existing version of MPICH2. Please follow the steps in
>> Section 9.4 (Not 9.1 -
>> http://www.mcs.anl.gov/research/projects/mpich2/documentation/files/mpich2-1.4.1-installguide.pdf) of the installer's guide to install MPICH2.
>>
>>
>>
>>
>> (PS: I am assuming that you have Win7/Srv2008/...)
>>
>> Regards,
>> Jayesh
>>
>> ----- Original Message -----
>> From: "Michael Warthon" < michael.warthon at upr.edu >
>> To: "Jayesh Krishna" < jayesh at mcs.anl.gov >
>>
>>
>>
>> Sent: Tuesday, November 15, 2011 9:04:57 PM
>> Subject: Re: [mpich-discuss] Segmentation Fault when running any
>> application.
>>
>>
>> Yeah it must have been that I got the installation mixed up. I downloaded
>> the windows installer and it finally compiled. So progess has been made as
>> now I am getting this error when trying to run hello.exe:
>>
>>
>>
>> Error while connecting to host, No connection could be made because the
>> target m
>>
>> achine actively refused it. (10061)
>>
>> Connect on sock (host=localhost, port=8676) failed, exhaused all end
>> points
>>
>> Unable to connect to 'localhost:8676',
>>
>> sock error: Error = -1
>>
>>
>> On Tue, Nov 15, 2011 at 5:12 PM, Jayesh Krishna < jayesh at mcs.anl.gov >
>> wrote:
>>
>>
>> Hi,
>> There are two ways you can use MPICH2 on Windows+cygwin,
>>
>> # Download MPICH2 source compile/install it on Cygwin. Use mpicc to
>> compile and use mpiexec (from this installation - NOT the one available
>> with Windows installer) to run your program.
>>
>> # Download MPICH2 Windows installer, install MPICH2 (using installer
>> gui). Use the cygwin/gcc libs provided with the Windows installation to
>> compile your code. Use mpiexec from the Windows installation to run your
>> job.
>>
>> Looks like you are mixing the approaches.
>>
>>
>> Regards,
>> Jayesh
>>
>> ----- Original Message -----
>> From: "Michael Warthon" < michael.warthon at upr.edu >
>> To: "Jayesh Krishna" < jayesh at mcs.anl.gov >
>>
>>
>>
>> Sent: Tuesday, November 15, 2011 1:03:02 PM
>> Subject: Re: [mpich-discuss] Segmentation Fault when running any
>> application.
>>
>>
>> I was using mpicc in order to compile it. Unfortunately I am still not
>> able to compile the code even with the command you gave me. I used:
>>
>> gcc -l/mpich_install/include -L/mpich_install/lib hello.c -lmpi
>>
>> I still received the same error. Did I install it incorrectly maybe?
>>
>> On Tue, Nov 15, 2011 at 12:42 PM, Jayesh Krishna < jayesh at mcs.anl.gov >
>> wrote:
>>
>>
>> Hi,
>> How were you compiling your code before ?
>> A command similar to,
>>
>> "gcc -I/cygdrive/c/Progra~1/MPICH2/include
>> -L/cygdrive/c/Progra~1/MPICH2/lib hello.c -o hello.exe -lmpi"
>>
>> should work.
>>
>>
>> Regards,
>> jayesh
>>
>> ----- Original Message -----
>> From: "Michael Warthon" < michael.warthon at upr.edu >
>> To: "Jayesh Krishna" < jayesh at mcs.anl.gov >
>>
>>
>>
>> Sent: Tuesday, November 15, 2011 12:18:43 PM
>> Subject: Re: [mpich-discuss] Segmentation Fault when running any
>> application.
>>
>>
>> Alright. Well I tried it and for some reason it is not able to see the
>> library.
>> I used the command:
>> gcc -g hello.c -L\mpich_install\lib -lmpi
>>
>> It ended up giving me an error saying:
>> fatal error: mpi.h: No such file or directory
>>
>> On Tue, Nov 15, 2011 at 10:32 AM, Jayesh Krishna < jayesh at mcs.anl.gov >
>> wrote:
>>
>>
>> Hi,
>> Try using gcc (usual gcc stuff: specify include dirs using "-I", lib dirs
>> using "-L") to compile your code and link it with "-lmpi" .
>>
>>
>> Regards,
>> Jayesh
>>
>> ----- Original Message -----
>> From: "Michael Warthon" < michael.warthon at upr.edu >
>> To: "Jayesh Krishna" < jayesh at mcs.anl.gov >
>>
>>
>>
>> Sent: Tuesday, November 15, 2011 10:16:00 AM
>> Subject: Re: [mpich-discuss] Segmentation Fault when running any
>> application.
>>
>>
>> What would be the correct command to use in cygwin in order to compile
>> the code? Just want to make sure that I actually compiled it correctly.
>>
>>
>> On Tue, Nov 15, 2011 at 10:10 AM, Jayesh Krishna < jayesh at mcs.anl.gov >
>> wrote:
>>
>>
>> Hi,
>> I just tried compiling your code with cygwin gcc (3.4.4) + MPICH2 1.4.1p1
>> gcc libs and it worked for me (No seg fault, gives the expected output).
>> Make sure that you are using the correct header files and libraries
>> (MPICH2 libs and headers) when you compile your code.
>>
>> Regards,
>>
>> Jayesh
>>
>> ----- Original Message -----
>> From: "Michael Warthon" < michael.warthon at upr.edu >
>>
>>
>>
>> To: "Jayesh Krishna" < jayesh at mcs.anl.gov >
>> Sent: Tuesday, November 15, 2011 9:53:32 AM
>> Subject: Re: [mpich-discuss] Segmentation Fault when running any
>> application.
>>
>> Ah sorry. I forgot to include the p1 at the end of it. I am using mpich2
>> 1.4.1p1
>>
>>
>> On Tue, Nov 15, 2011 at 9:44 AM, Jayesh Krishna < jayesh at mcs.anl.gov >
>> wrote:
>>
>>
>> Did you try the latest stable release (1.4.1p1)?
>>
>> -Jayesh
>>
>>
>> ----- Original Message -----
>> From: "Michael Warthon" < michael.warthon at upr.edu >
>> To: mpich-discuss at mcs.anl.gov
>> Sent: Monday, November 14, 2011 7:54:43 PM
>> Subject: [mpich-discuss] Segmentation Fault when running any application.
>>
>>
>>
>> Hello,
>>
>> I am new to MPI and I went and installed mpich2 1.4.1 onto a windows
>> system that is being used through cygwin. I have compiled the code that
>> simply prints the process and rank as shown below.
>>
>>
>>
>> #include <stdio.h>
>> #include <mpi.h>
>>
>> int main( int argc, char *argv[]) {
>>
>> int numprocs, rank, namelen;
>> char processor_name[MPI_MAX_PROCESSOR_NAME];
>>
>> MPI_Init(&argc, &argv);
>> MPI_Comm_size(MPI_COMM_WORLD, &numprocs);
>> MPI_Comm_rank(MPI_COMM_WORLD, &rank);
>> MPI_Get_processor_name(processor_name, &namelen);
>>
>> printf( "Process %d on %s out of %d\n" , rank, processor_name, numprocs);
>>
>> MPI_Finalize();
>> }
>>
>> Nothing too complicated. However, I still receive an error from the
>> command line in cygwin that simply reads segmentation fault: (core dumped).
>> The command I used was:
>>
>> mpiexec -n 1 a.exe
>>
>> No matter what executable I try to run, I still receive the same error.
>> Any help regarding this would be greatly appreciated!
>> _______________________________________________
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>>
>>
>>
>>
>>
>>
>>
>>
>>
>
> _______________________________________________
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>
> --
> Dr. Jose G. Marques
> Reactor Manager
> Instituto Tecnologico e Nuclear     phone:  (+351) 219 946 115
> Estrada Nacional 10                 fax:    (+351) 219 941 039
> P-2686-953 Sacavem, Portugal
>
>
> --
> Dr. Jose G. Marques
> Reactor Manager
> Instituto Tecnologico e Nuclear     phone:  (+351) 219 946 115
> Estrada Nacional 10                 fax:    (+351) 219 941 039
> P-2686-953 Sacavem, Portugal
>
>
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